test: 增加功能测试

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Samples/Affixs.razor

@@ -1,4 +1,5 @@
 @page "/affix"
+@using Microsoft.AspNetCore.Components.Rendering
 
 <h3>@Localizer["AffixTitle"]</h3>
 
@@ -29,3 +30,6 @@
         </Affix>
     </div>
 </DemoBlock>
+
+<ClassTest Value2="Test"></ClassTest>
+

src/BootstrapBlazor.Server/Components/Samples/ClassBase.cs

@@ -0,0 +1,27 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License
+// See the LICENSE file in the project root for more information.
+// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
+
+using Microsoft.AspNetCore.Components.Rendering;
+
+namespace BootstrapBlazor.Server.Components.Samples;
+
+public class ClassBase : ComponentBase
+{
+    [Parameter]
+    [EditorRequired]
+    public string? Value { get; set; }
+}
+
+public class ClassTest : ClassBase
+{
+    [Parameter]
+    public string? Value2 { get; set; }
+
+    protected override void BuildRenderTree(RenderTreeBuilder builder)
+    {
+        builder.AddContent(0, Value);
+        builder.AddContent(1, Value2);
+    }
+}